我们推荐这些样品的阳性度水平应涵盖检测使用的已知反应性（无、低、中以及高反应性）质控样品相应的水平。
We recommend that these samples span a level of positivity with QC samples having a known negative, low, medium, and high reactivity in the assay.
对5个小麦品种有黑胚病症状籽粒和无黑胚病症状籽粒的样品分别进行品质分析。
Quality measurements were made on subsamples of black point-affected and black point-free grain from 5 wheat samples.
燃烧过程中有发泡膨胀现象，样品离火后迅速炭化自熄，无熔融、滴落现象，发烟量小，是一类较好的膨胀型阻燃剂。
The samples foam and expand during the combustion process, and they carbonize and extinguish right after being deviated from fire, without melting and dropping and with low smoking.
应用推荐